2025 Waltly Gravel Smooth Base

	2XS	XS	S	M	L	XL	2XL
Stack	549mm	561mm	577mm	596mm	615mm	634mm	653mm
Reach	372mm	384mm	394mm	409mm	423mm	437mm	452mm
Stack to Reach Ratio	1.48:1	1.46:1	1.46:1	1.46:1	1.45:1	1.45:1	1.44:1
Seat Tube Length, Unknown	460mm	490mm	520mm	540mm	560mm	580mm	600mm
Top Tube Length, Effective/Horizontal Unknown	535mm	550mm	565mm	585mm	605mm	625mm	645mm
Top Tube Slope	12.1deg	9.9deg	8.2deg	7.9deg	7.6deg	7.4deg	7.1deg
Head Tube Angle	70.5deg	71deg	71.5deg	71.5deg	71.5deg	71.5deg	71.5deg
Seat Tube Angle	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg	73.5deg
Head Tube Length	120mm	130mm	145mm	165mm	185mm	205mm	225mm
Bottom Bracket Drop	75mm	75mm	75mm	75mm	75mm	75mm	75mm
Bottom Bracket Height	271mm	271mm	271mm	271mm	271mm	271mm	271mm
Chainstay Length	425mm	425mm	425mm	425mm	425mm	425mm	425mm
Chainstay Length Horizontal	418.3mm	418.3mm	418.3mm	418.3mm	418.3mm	418.3mm	418.3mm
Front-Center	598.4mm	608.3mm	619.2mm	640.1mm	660.9mm	680.8mm	701.7mm
Front-Center Horizontal	593.7mm	603.7mm	614.7mm	635.7mm	656.7mm	676.7mm	697.7mm
Wheelbase	1012mm	1022mm	1033mm	1054mm	1075mm	1095mm	1116mm
Fork Offset/Rake	50mm	50mm	50mm	50mm	50mm	50mm	50mm
Fork Length, Unknown	403mm	403mm	403mm	403mm	403mm	403mm	403mm
Trail	69.5mm high	66.3mm high	63.1mm mid/neutral	63.1mm mid/neutral	63.1mm mid/neutral	63.1mm mid/neutral	63.1mm mid/neutral
Mechanical Trail	65.5mm	62.7mm	59.8mm	59.8mm	59.8mm	59.8mm	59.8mm
Wheel Flop	21.9mm	20.4mm	19mm	19mm	19mm	19mm	19mm
Tire to Pedal Spindle	82.4mm 170 mm cranks	92.3mm 170 mm cranks	103.2mm 170 mm cranks	124.1mm 170 mm cranks	144.9mm 170 mm cranks	164.8mm 170 mm cranks	185.7mm 170 mm cranks
Pedal Spindle to Ground Clearance	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks	101mm 170 mm cranks

	2XS	XS	S	M	L	XL	2XL
Wheel Size	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD	700C/29 in 622 mm BSD
Tire Width	35mm	35mm	35mm	35mm	35mm	35mm	35mm
Tire Width Max	42mm	42mm	42mm	42mm	42mm	42mm	42mm
Tire Outer Diameter	692mm	692mm	692mm	692mm	692mm	692mm	692mm
Bike Length with Tires	1704mm	1714mm	1725mm	1746mm	1767mm	1787mm	1808mm

Very Upright

Somewhat Upright

Average

Somewhat Aggressive

Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale

Category Trend

All-road/Gravel

Source:https://www.waltlyti.com/product/59.html

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2025 Waltly Gravel Smooth Base

Geometry

Base Build

Stack and Reach vs. Category Trend